Fly swatter blade



FIG. 1 is a front view of the fly swatter blade embodying my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof; and

FIG. 5 is a back view thereof.

The broken lines are for illustrative purposes only and form no part of the claim. 

The ornamental design for a fly swatter blade, substantially as shown and described. 